A User's Guide to Bluetooth

Stress-free shopping and much more are on
the way -- eventually 'beeping' shopping trollies? Maybe late next
year

By

David Pringle

Updated Nov. 13, 2000 12:01 a.m. ET

As you stroll into your local supermarket, the nearest shopping trolley lets out a sharp "beep" to get your attention. The mobile phone in your pocket responds in kind and your shopping list pops up on a screen mounted on the trolley, followed by a message reminding you that your wedding anniversary is only a few days away and that your wife is particularly fond of Moet & Chandon champagne.

As you walk round the aisles, the screen on your trolley directs you to the Moet and the other items on your list. Your...